GLuint
_mesa_get_compressed_formats(struct gl_context *ctx, GLint *formats)
{
+ GLint discard_formats[100];
GLuint n = 0;
+
+ if (!formats) {
+ formats = discard_formats;
+ }
+
if (_mesa_is_desktop_gl(ctx) &&
ctx->Extensions.TDFX_texture_compression_FXT1) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
- formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
- }
- else {
- n += 2;
- }
+ formats[n++] = GL_COMPRESSED_RGB_FXT1_3DFX;
+ formats[n++] = GL_COMPRESSED_RGBA_FXT1_3DFX;
}
if (ctx->Extensions.EXT_texture_compression_s3tc) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
- }
- else {
- n += 3;
- }
+ formats[n++] = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
/* The ES and desktop GL specs diverge here.
*
* Note that the addition is only to the OpenGL ES specification!
*/
if (_mesa_is_gles(ctx)) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
- } else {
- n += 1;
- }
+ formats[n++] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT;
}
}
*/
if (_mesa_is_gles(ctx)
&& ctx->Extensions.OES_compressed_ETC1_RGB8_texture) {
- if (formats) {
- formats[n++] = GL_ETC1_RGB8_OES;
- }
- else {
- n += 1;
- }
+ formats[n++] = GL_ETC1_RGB8_OES;
}
if (ctx->API == API_OPENGLES) {
- if (formats) {
- formats[n++] = GL_PALETTE4_RGB8_OES;
- formats[n++] = GL_PALETTE4_RGBA8_OES;
- formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE4_RGBA4_OES;
- formats[n++] = GL_PALETTE4_RGB5_A1_OES;
- formats[n++] = GL_PALETTE8_RGB8_OES;
- formats[n++] = GL_PALETTE8_RGBA8_OES;
- formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
- formats[n++] = GL_PALETTE8_RGBA4_OES;
- formats[n++] = GL_PALETTE8_RGB5_A1_OES;
- }
- else {
- n += 10;
- }
+ formats[n++] = GL_PALETTE4_RGB8_OES;
+ formats[n++] = GL_PALETTE4_RGBA8_OES;
+ formats[n++] = GL_PALETTE4_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE4_RGBA4_OES;
+ formats[n++] = GL_PALETTE4_RGB5_A1_OES;
+ formats[n++] = GL_PALETTE8_RGB8_OES;
+ formats[n++] = GL_PALETTE8_RGBA8_OES;
+ formats[n++] = GL_PALETTE8_R5_G6_B5_OES;
+ formats[n++] = GL_PALETTE8_RGBA4_OES;
+ formats[n++] = GL_PALETTE8_RGB5_A1_OES;
+ }
+
+ if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility) {
+ formats[n++] = GL_COMPRESSED_RGB8_ETC2;
+ formats[n++] = GL_COMPRESSED_RGBA8_ETC2_EAC;
+ formats[n++] = GL_COMPRESSED_R11_EAC;
+ formats[n++] = GL_COMPRESSED_RG11_EAC;
+ formats[n++] = GL_COMPRESSED_SIGNED_R11_EAC;
+ formats[n++] = GL_COMPRESSED_SIGNED_RG11_EAC;
+ formats[n++] = GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
}
if (_mesa_is_gles3(ctx)) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGB8_ETC2;
- formats[n++] = GL_COMPRESSED_SRGB8_ETC2;
- formats[n++] = GL_COMPRESSED_RGBA8_ETC2_EAC;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
- formats[n++] = GL_COMPRESSED_R11_EAC;
- formats[n++] = GL_COMPRESSED_RG11_EAC;
- formats[n++] = GL_COMPRESSED_SIGNED_R11_EAC;
- formats[n++] = GL_COMPRESSED_SIGNED_RG11_EAC;
- formats[n++] = GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2;
- formats[n++] = GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
- }
- else {
- n += 10;
- }
+ formats[n++] = GL_COMPRESSED_SRGB8_ETC2;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC;
+ formats[n++] = GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2;
}
/* The KHR_texture_compression_astc_hdr spec says:
*/
if (ctx->API == API_OPENGLES2 &&
ctx->Extensions.KHR_texture_compression_astc_ldr) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x5_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x6_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x8_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x5_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x6_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x8_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x10_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x10_KHR;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x12_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR;
- }
- else {
- n += 28;
- }
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_8x8_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x5_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x6_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x8_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_10x10_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x10_KHR;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_12x12_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR;
}
if (_mesa_is_gles3(ctx) &&
ctx->Extensions.OES_texture_compression_astc) {
- if (formats) {
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_3x3x3_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x3x3_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x3_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x4_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4x4_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x4_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x5_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5x5_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x5_OES;
- formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x6_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES;
- formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES;
- }
- else {
- n += 20;
- }
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_3x3x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x3x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x3_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_4x4x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x4x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x4_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_5x5x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x5x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x5_OES;
+ formats[n++] = GL_COMPRESSED_RGBA_ASTC_6x6x6_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES;
+ formats[n++] = GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES;
}
+ assert(n <= ARRAY_SIZE(discard_formats));
+
return n;
}
return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10;
case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
return MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12;
+ case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_3x3x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x3x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x4x3;
+ case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_4x4x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x4x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x5x4;
+ case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_5x5x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x5x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x6x5;
+ case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+ return MESA_FORMAT_RGBA_ASTC_6x6x6;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5;
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+ return MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6;
default:
return MESA_FORMAT_NONE;
case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12:
return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR;
+ case MESA_FORMAT_RGBA_ASTC_3x3x3:
+ return GL_COMPRESSED_RGBA_ASTC_3x3x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x3x3:
+ return GL_COMPRESSED_RGBA_ASTC_4x3x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x4x3:
+ return GL_COMPRESSED_RGBA_ASTC_4x4x3_OES;
+ case MESA_FORMAT_RGBA_ASTC_4x4x4:
+ return GL_COMPRESSED_RGBA_ASTC_4x4x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x4x4:
+ return GL_COMPRESSED_RGBA_ASTC_5x4x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x5x4:
+ return GL_COMPRESSED_RGBA_ASTC_5x5x4_OES;
+ case MESA_FORMAT_RGBA_ASTC_5x5x5:
+ return GL_COMPRESSED_RGBA_ASTC_5x5x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x5x5:
+ return GL_COMPRESSED_RGBA_ASTC_6x5x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x6x5:
+ return GL_COMPRESSED_RGBA_ASTC_6x6x5_OES;
+ case MESA_FORMAT_RGBA_ASTC_6x6x6:
+ return GL_COMPRESSED_RGBA_ASTC_6x6x6_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_3x3x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x3x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x3:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x4:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x5:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6x6:
+ return GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES;
default:
_mesa_problem(ctx, "Unexpected mesa texture format in"
" _mesa_compressed_format_to_glenum()");